Pith Number

pith:7NM7E2GO

pith:2000:7NM7E2GOSBEHCIR2QUH725F6J7

not attested not anchored not stored refs pending

GRB 991216 Joins the Jet Set: Discovery and Monitoring of its Optical Afterglow

A. Diercks, F. Harrison, J. Mattox, J. P. Halpern, J. S. Bloom, J. Thorstensen, M. Eracleous, N. Mirabal, R. Uglesich, S. Kassin, W. C. Keel

arxiv:astro-ph/0006206 v1 · 2000-06-15 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7NM7E2GOSBEHCIR2QUH725F6J7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T16:16:48.122216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb59f268ce904871223a850ffd74be4ffbd7aa675e2e83c86a7a1871e02cdcf5

Aliases

arxiv: astro-ph/0006206 · arxiv_version: astro-ph/0006206v1 · doi: 10.48550/arxiv.astro-ph/0006206 · pith_short_12: 7NM7E2GOSBEH · pith_short_16: 7NM7E2GOSBEHCIR2 · pith_short_8: 7NM7E2GO

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7NM7E2GOSBEHCIR2QUH725F6J7 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: fb59f268ce904871223a850ffd74be4ffbd7aa675e2e83c86a7a1871e02cdcf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c1a861d8d73858d66c80ef9ca3ee3b0c02cb58c9649804eb1f8dba3bff5d309",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-06-15T02:23:35Z",
    "title_canon_sha256": "e6df0cc11f8e2034302f6911d5bf80f30215e0867e3701b73472e9b9c8f50b1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0006206",
    "kind": "arxiv",
    "version": 1
  }
}